ML18152B416

Monthly Operating Repts for Apr 1999 for Surry Power Station Units 1 & 2.With 990512 Ltr

ML18152B416
Person / Time
Site:	Surry
Issue date:	04/30/1999
From:	Ashley J, Grecheck E, Pincus J, Stief R VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
99-275, NUDOCS 9905180312
Download: ML18152B416 (19)

Text

<* e e VIRGINIA ELECTRIC AND POWER COMPANY RICHMOND, VIRGINIA 23261 May 12, 1999 United States Nuclear Regulatory Commission Serial No.99-275 Attention: Document Control Desk SPSUc/JSA RO Washington, D.C. 20555 Docket Nos. 50-280 50-281 License Nos. DPR-32 DPR-37 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY SURRY POWER STATION UNITS 1 AND 2 MONTHLY OPERATING REPORT The Monthly Operating Report for Surry Power Station Units 1 and 2 for the month of April 1999 is provided in the attachment.

If you have any questions or require additional information, please contact us.

Very truly yours, E. S. Grecheck, Site Vice President Surry Power Station Attachment Commitments made by this letter: None cc: U.S. Nuclear Regulatory Commission Region II Atlanta Federal Center 61 Forsyth Street, S. W.

Suite 23T8.5 Atlanta, Georgia 30303 . -- , , (\ (~ A

-\ (') i.. . i \) \....,,t *-

Mr. R. A. Musser NRG Senior Resident Inspector Surry Power Station r 9905180312 990430 PDR ADOCK 05000280 R PDR

,, e VIRGINIA ELECTRIC AND POWER COMPANY SURRY POWER STATION MONTHLY OPERATING REPORT REPORT No. 99-04 Approved:

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e Surry Monthly Operating Report No. 99-04 Page 2 of 18 TABLE OF CONTENTS Section Page Operating Data Report - Unit No. 1 ............................................................................................................................ 3 Operating Data Report - Unit No. 2 ............................................................................................................................4 Unit Shutdowns and Power Reductions - Unit.No. 1 .................................................................................................. 5 Unit Shutdowns and Power Reductions - Unit No. 2 .................................................................................................. 6 Average Daily Unit Power Level - Unit No. 1.............................................................................................................. 7 Average Daily Unit Power Level - Unit No. 2 .............................................................................................................. 8 Summary of Operating Experience - Unit Nos. 1 and 2 ............................................................................................. 9 Facility Changes That Did Not Require NRC Approval ............................................................................................ 1O Procedure or Method of Operation Changes That Did Not Require NRC Approval ................................................. 12 Tests and Experiments That Did Not Require NRC Approval. ................................................................................. 15 Chemistry Report ..................................................................................................................................................... 16 Fuel Handling - Unit Nos. 1 and 2 ............................................................................................................................ 17 Description of Periodic Test(s) Which Were Not Completed Within the Time Limits Specified in Technical Specifications ....................................................................................................................... 18

e Surry Monthly Operating Report No. 99-04 Page3of18 OPERATING DATA REPORT Docket No.: 50-280 Date: 05/02/99 Completed By: R. Stief Telephone: (757) 365-2486

1. Unit Name: .......................................................... . Surry Unit 1

2. Reporting Period: ................................................ . April 1999

3. Licensed Thermal Power (MWt): ........................ .. 2546

4. Nameplate Rating (Gross MWe): ....................... .. 847.5

5. Design Electrical Rating (Net MWe): ................... . 788

6. Maximum Dependable Capacity (Gross MWe): .. . 840

7. Maximum Dependable Capacity (Net MWe): ...... . 801

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

9. Power Level To Which Restricted, If Any (Net MWe):

10. Reasons For Restrictions, If Any:

This Month Year-To-Date Cumulative

11. Hours in Reporting Period 719.0 2879.0 231023.0

12. Hours Reactor Was Critical 719.0 2879.0 164195.5

13. Reactor Reserve Shutdown Hours 0.0 0.0 3774.5

14. Hours Generator On-Line 719.0 2879.0 161650.4

15. Unit Reserve Shutdown Hours 0.0 0.0 3736.2

16. Gross Thermal Energy Generated (MWH) 1830309.2 7327775.1 381518732.6

17. Gross Electrical Energy Generated (MWH) 608715.0 2439592.0 125209748.0

18. Net Electrical Energy Generated (MWH) 587357.0 2357081.0 119343685.0

19. Unit Service Factor 100.0% 100.0% 70.0%

20. Unit Availability Factor 100.0% 100.0% 71.6%

21. Unit Capacity Factor (Using MDC Net) 102.0% 102.2% 66.3%

22. Unit Capacity Factor (Using DER Net) 103.7% 103.9% 65.6%

23. Unit Forced Outage Rate 0.0% 0.0% 14.2%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

25. If Shut Down at End of Report Period, Estimated Date of Start-up:

26. Unit In Test Status (Prior to Commercial Operation):

FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

e e Surry Monthly Operating Report No. 99-04 Page 4 of 18 OPERATING DATA REPORT Docket No.: 50-281 Date: 05/02/99 Completed By: R. Stief Telephone: (757) 365-2486

1. Unit Name: .......................................................... . Surry Unit 2

2. Reporting Period: ................................................ . April 1999

3. Licensed Thermal Power (MWt): ......................... . 2546

4. Nameplate Rating (Gross MWe): ........................ . 847.5

5. Design Electrical Rating (Net MWe): ................... . 788

6. Maximum Dependable Capacity (Gross MWe): .. . 840

7. Maximum Dependable Capacity (Net MWe): ...... . 801

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

9. Power Level To Which Restricted, If Any (Net MWe):

10. Reasons For Restrictions, If Any:

This Month Year-To-Date Cumulative

11. Hours in Reporting Period 719.0 2879.0 227904.0

12. Hours Reactor Was Critical 408.1 2568.1 162478.4

13. Reactor Reserve Shutdown Hours 0.0 0.0 328.1

14. Hours Generator On-Line 407.9 2567.9 160461.4

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 735692.0 5937292.3 379732941 .3

17. Gross Electrical Energy Generated (MWH) 248985.0 1999520.0 124547413.0

18. Net Electrical Energy Generated (MWH) 238011.0 1927753.0 118749780.0

19. Unit Service Factor 56.7% 89.2% 70.4%

20. Unit Availability Factor 56.7% 89.2% 70.4%

21. Unit Capacity Factor (Using MDC Net) 41.3% 83.6% 66.6%

22. Unit Capacity Factor (Using DER Net) 42.0% 85.0% 66.1%

23. Unit Forced Outage Rate 0.0% 0.0% 11.2%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

25. If Shut Down at End of Report Period, Estimated Date of Start-up:

26. Unit In Test Status (Prior to Commercial Operation):

FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

e Surry Monthly Operating Report No. 99-04 Page 5 of 18 UNIT SHUTDOWN AND POWER REDUCTION (EQUAL To OR GREATER THAN 20%)

REPORT MONTH: April 1999 Docket No.: 50-280 Unit Name: Surry Unit 1 Date: 05/04/99 Completed by: J. R. Pincus Telephone: (757) 365-2863 None during the Reporting Period (1) (2) (3)

F: Forced REASON: METHOD:

S: Scheduled A Equipment Failure (Explain) 1 - Manual B Maintenance or Test 2 - Manual Scram C Refueling 3 - Automatic Scram D Regulatory Restriction 4 - Other (Explain)

E Operator Training & Licensing Examination F Administrative G Operational Error (Explain)

(4) (5)

Exhibit G - Instructions for Preparation of Data Entry Sheets Exhibit 1 - Same Source for Licensee Event Report (LER) File (NU REG 0161)

e Surry Monthly Operating Report No. 99-04 Page 6 of 18 UNIT SHUTDOWN AND POWER REDUCTION (EQUAL To OR GREATER THAN 20%)

REPORT MONTH: April 1999 Docket No.: 50-281 Unit Name: Surry Unit 2 Date: 05/04/99 Completed by: J. R. Pincus Telephone: (757) 365-2863 (1) (2) (3) (4) (5)

Method Duration of LER No. System Component Cause & Corrective Action Date Type Hours Reason Shutting Code Code to Prevent Recurrence Down Rx 04/18/99 s 311.1 C 1 N/A N/A N/A Refueling Outage (1) (2) (3)

F: Forced REASON: METHOD:

S: Scheduled A - Equipment Failure (Explain) 1 - Manual B Maintenance or Test 2 - Manual Scram C Refueling 3 - Automatic Scram D Regulatory Restriction 4 - Other (Explain)

E Operator Training & Licensing Examination F Administrative G Operational Error (Explain)

(4) (5)

Exhibit G - Instructions for Preparation of Data Entry Sheets Exhibit 1 - Same Source for Licensee Event Report (LER) File (NU REG 0161)

e Surry Monthly Operating Report No. 99-04 Page 7 of 18 AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-280 Unit Name: Surry Unit 1 Date: 05/02/99 Completed by: J. S. Ashley Telephone: (757) 365-2161 MONTH: April 1999 Average Daily Power Level Average Daily Power Level Day (MWe - Net) Day (Mwe - Net) 819 17 817 2 820 18 805 3 820 19 810 4 785 20 812 5 819 21 815 6 819 22 816 7 820 23 816 8 819 24 819 9 822 25 816 10 818 26 817 11 818 27 816 12 818 28 817 13 815 29 818 14 817 30 818 15 818 16 817 INSTRUCTIONS On this format, list the average daily unit power level in MWe - Net for each day in the reporting month. Compute to the nearest whole megawatt.

e Surry Monthly Operating Report No. 99-04 Page 8 of 18 AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-281 Unit Name: Surry Unit 2 Date: 05/02/99 Completed by: J. S. Ashley Telephone: (757) 365-2161 MONTH: April 1999 Average Daily Power Level Average Daily Power Level Day (Mwe - Net) Day (Mwe - Net) 628 17 515 2 623 18 2 3 616 19 0 4 585 20 0 5 606 21 0 6 599 22 0 7 595 23 0 8 589 24 0 9 581 25 0 10 581 26 0 11 579 27 0 12 573 28 0 13 568 29 0 14 565 30 0 15 558 16 554 INSTRUCTIONS On this format, list the average daily unit power level in MWe - Net for each day in the reporting month. Compute to the nearest whole megawatt.

I

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e e Surry Monthly Operating Report No. 99-04 Page 9 of 18

SUMMARY

OF OPERATING EXPERIENCE MONTHNEAR: April 1999 The following chronological sequence by unit is a summary of operating experiences for this month that required load reductions or resulted in significant non-load related incidents.

UNIT ONE:

04/01/99 0000 Unit starts the month at 100% / 850 MWe.

04/20/99 1044 Commence unit ramp down to swap HP heater drain pump. Unit at 100% / 850 MWe.

04/20/99 1110 Stopped ramp. Unit at 98% / 830 MWe.

04/20/99 1255 Commenced ramp up. Unit at 98% / 830 MWe.

04/20/99 1434 Unit at 100% / 850 MWe.

04/30/99 2400 Unit finished the month at 100% / 850 MWe.

UNIT Two:

04/01/99 0000 Unit started the month at 76% / 660 MWe. (coast-down continues) 04/18/99 0052 Turbine tripped for Refueling Outage.

04/18/99 0103 Reactor tripped for Refueling Outage.

04/30/99 2400 Unit finished the month at 0% / 0 MWe.

e e Surry Monthly Operating Report No. 99-04 Page 10 of 18 FACILITY CHANGES THAT DID NOT REQUIRE NRC APPROVAL MONTHNEAR: April 1999 FS99-002 UFSAR Change Request 04/08/99 (Safety Evaluation 99-022)

As a result of the Integrated Configuration Management Project review, UFSAR Change Request FS99-002 contains corrections and clarifications to the UFSAR sections that discuss Surry's radiation monitoring system. These changes are to enhance accuracy and do not affect any radiation monitoring system or structure, or any of its component's operation or performance.

SE 99-026 Safety Evaluation 04/13/99 Safety Evaluation 99-026 evaluates the 1999 Unit 2 Refueling Outage against current industry guidelines and Virginia power administrative requirements for shutdown risk management including NUMARC 91-06 and NE Technical Report 865, Rev. 3. The schedule provides a plan for safely and efficiently accomplishing refueling, maintenance, modification, and testing activities.

DCP 98-092 Design Change Package 04/15/99 (Safety Evaluation 99-029)

Design Change Package 98-092, "Reactor Protection Test Logic Surge Suppressors/Surry/1 &2", installed surge suppressors on certain Reactor Protection Logic test relays to prevent noise spiking during the performance of the monthly Reactor Protection Test.

TM S1-99-004 Temporary Modification 04/18/99 (Safety Evaluation 99-033)

Air compressor 1-SA-C-3 is leaking air and is unable to supply air to the Laundry Facility.

Temporary Modification S1-99-004 installed a temporary compressor to supply reliable air to the Laundry Facility.

TM S1 003 Temporary Modification 04/22/99 (Safety Evaluation 99-034)

Temporary Modification S1-99-003 evaluates the use of three fire hose stations to supply the sprinkler systems in temporary trailers in the Turbine Building to support the Unit 2 Refueling Outage.

TM S1-99-005 Temporary Modification 04/23/99 (Safety Evaluation 99-035)

Temporary Modification S1-99-005 installed a temporary Non-Safety Passive Autocatalytic Recombiner in Unit 1 Containment to maintain the containment Hydrogen concentration less than the design basis limit of 0.8%.

e Surry Monthly Operating Report No. 99-04 Page 11 of 18 FACILITY CHANGES THAT DID NOT REQUIRE NRC APPROVAL MONTHNEAR: April 1999 DCP 99-035 Design Change Package 04/27/99 (Safety Evaluation 99-036)

Design Change Package 99-035, "Fuel Assembly Repair, removes fuel assembly top nozzles containing defective parts and replaces them with new, functionally equivalent, top nozzles.

ET S-99-079 Engineering Transmittal 04/29/99 (Safety Evaluation 99-038)

Engineering Transmittal S-99-079, "Alternate Packing Material for 2-RC-77", accepts the previous 1996 injected packing of valve 2-RC-77 as a permanent repair since the packing has not leaked over the past two cycles.

e Surry Monthly Operating Report No. 99-04 Page 12 of 18 PROCEDURE OR METHOD OF OPERATION CHANGES THAT DID NOT REQUIRE NRC APPROVAL MONTHNEAR: April 1999 1/2-AP-4.00 Abnormal Procedures 04/16/99 (Safety Evaluation 97-008, Rev. 1)

Abnormal Procedures 1/2-AP-4.00, "Nuclear Instrumentation Malfunction", were changed to allow entry into containment without audible count rate available. Revision 1 added that if the count rate increases by 1h decade over its previous reading, or an increasing trend in the count rate is observed, personnel must be evacuated from containment.

O-MOP-GW-001 Maintenance Operating Procedures 04/07/99 O-MOP-GW-002 (Safety Evaluation 98-064, Rev. 1)

Maintenance Operating Procedures O-MOP-GW-001, "Purging the Outer Tank for 1-GW-TK-1A", and O-MOP-GW-002, "Purging the Outer Tank for 1-GW-TK-1 B", were revised to provide a Temporary Modification to purge and sample the outer Waste Gas Decay Tank for maintenance. Revision 1 added procedure O-MOP-GW-002 for tank 1B.

OP-23.2.11 Operating Procedures 04/06/99 OP-23.2.12 (Safety Evaluation 99-020)

Operating Procedures OP-23.2.11, "Sampling Alignment for WGDT 1A", and OP-23.2.12, "Sampling Alignment for WGDT 1B", were revised to provide a Temporary Modification to install tubing between the sample outlet for the outer Waste Gas Decay Tank (WGDT) to the local sample panel used to sample the inner WGDT.

1/2-0SP-FW-004 Operations Surveillance Procedures 04/08/99 (Safety Evaluation 99-023)

Operations Surveillance Procedures 1/2-0SP-FW-004, "Unit 1 and Unit 2 AFW and AFW Cross-tie ISi Test", were written to perform the ASME Section XI pressure testing in the AFW cross-tie line. The procedures will control the removal of the seal-in contacts on several Auxiliary Feedwater (AFW) motor operated valves to allow throttling capability.

O-MCM-0125-01 Mechanical Corrective Maintenance Procedure 04/12/99 (Safety Evaluation 99-024)

Mechanical Corrective Maintenance Procedure O-MCM-0125-01, "Main Condensate Pump Maintenance", was revised to provide a Temporary Modification to temporarily remove and re-install a section of fire protection piping which interferes with the removal of the condensate pumps/motors during maintenance.

O-ECM-2503-03 Electrical Corrective Maintenance Procedure 04/13/99 (Safety Evaluation 99-025)

Electrical Corrective Maintenance Procedure O-ECM-2503-03, "Main Generator Hydrogen System Maintenance", was revised to provide a Temporary Modification to install a temporary pressure gauge in the main generator hydrogen gas system to perform a system leak check.

e e Surry Monthly Operating Report No. 99-04 Page 13 of 18 PROCEDURE OR METHOD OF OPERATION CHANGES THAT DID NOT REQUIRE NRC APPROVAL MONTHNEAR: April 1999 1/2-0P-RC-002 Operating Procedures 04/13/99 (Safety Evaluation 99-027)

Operating Procedures 1/2-0P-RC-002, "Reactor Coolant System Fill", were (Unit 2)/will be (Unit 1) revised to remove the Motor Operated Valve seal-in circuit to allow electrically "bumping" open the Loop Stop Valves from the Main Control Room when filling a drained Reactor Coolant loop. This activity will minimize the time and dose required to manually place the valve at zero deflection inside containment.

2-0P-RC-011 Operating Procedure 04/13/99 (Safety Evaluation 99-028)

Operating Procedure 2-0P-RC-011, "Pressurizer Relief Tank Operations", was revised to provide an alternate vent path for degassing the Unit 2 Pressurizer Relief Tank (PRT) to the Overhead Gas System through the PRT vapor space sample line when gaseous activity levels are high.

2-MOP-DG-002 Maintenance Operating Procedure 04/15/99 (Safety Evaluation 99-030)

Maintenance Operating Procedure 2-MOP-DG-002, "Removal and Return to Service of the PDTI Inlet PCV", was written to maintain pressure control valve (PCV) 2-DG-PCV-200 in the open position during Cold Shutdown or Refueling Shutdown in order to provide a flow path for Reactor Coolant System loop drains and other drains to the Primary Drain Transfer Tank (PDTI).

2-MOP-EP-401 Maintenance Operating Procedures 04/15/99 2-MOP-EP-402 (Safety Evaluation 99-031)

Maintenance Operating Procedures 2-MOP-EP-401, "Unit 2 Generator Tagout", and 2-MOP-EP-402, "Return to Service of Unit 2 Main Generator", were revised to provide a Procedurally Controlled Temporary Modification to bypass the fire detection alarm to the Low Pressure CO2 Fire Suppression system for the turbine and generator tagged out during the Refueling Outage.

O-MCM-1410-04 Mechanical Corrective Maintenance Procedures 04/15/99 O-MCM-1420-02 (Safety Evaluation 99-032)

Mechanical Corrective Maintenance Procedures O-MCM-1410-04, "Turbine Pedestal Maintenance", and O-MCM-1420-02, "Low Pressure Turbine Maintenance", were revised to provide a Procedurally Controlled Temporary Modification to bypass the bearing lift oil pressure anti-start interlock in the main turbine Turning Gear motor circuitry to allow periodic rotation of the turbine rotor using the turning gear.

e Surry Monthly Operating Report No. 99-04 Page 14 of 18 PROCEDURE OR METHOD OF OPERATION CHANGES THAT DID NOT REQUIRE NRC APPROVAL MONTHNEAR: April 1999 FP-VPA-FR1 .0.1999 Vendor Procedure 04/27/99 (Safety Evaluation 99-037)

Vendor Procedure, FP-VPA-FR1 .0.1999, "Fuel Repair for Surry Unit 1 and Unit 2", provides instructions for the installation and removal of equipment required for fuel repairs as well as for the actual fuel repairs including removal and reattachment of the fuel assembly top nozzle. To perform the repairs, the temporary replacement of the new fuel elevator basket with a Westinghouse basket will be performed via a Procedurally Controlled Temporary Modification.

SE 99-039 Safety Evaluation 04/29/99 Safety Evaluation 99-039 evaluates the "Safety Monitor", which is a program that will perform on-line risk calculations to support compliance with 10 CFR 50.65 (the Maintenance Rule).

tlturry Monthly OperatingNo.Report 99-04 Page15of18 TESTS AND EXPERIMENTS THAT DID NOT REQUIRE NRC APPROVAL MONTHNEAR: April 1999 None during the Reporting Period

. e 4lturry Monthly Operating Report No. 99-04 Page16of18 CHEMISTRY REPORT MONTHNEAR: April 1999 Unit No. 1 Unit No. 2 Primary Coolant Analysis Max. Min. AvQ. Max. Min. AvQ.

Gross Radioactivity, µCi/ml 3.34E-1 2.28E-1 2.93E-1 1.93E-1 4.95E-4 5.41 E-2 Suspended Solids, oom - - - 0.125 0.01 0.06 Gross Tritium, µCi/ml 9.43E-1 8.38E-1 8.99E-1 4.52E-2 4.08E-2 4.30E-2 1131, µCi/ml 4.24E-4 2.16E-4 3.39E-4 1.87E-4 4.94E-5 8.17E-5 113111133 0.08 0.04 0.07 0.12 0.09 0.11 Hvdroqen, cc/kq 40.4 37 39.1 38.5 3.2 28.6 Lithium, oom 2.33 2.06 2.19 0.83 0.19 0.66 Boron - 10, ppm* 213.8 197.8 205.5 373.97 0.196 95.38 OxyQen, (DO), ppm 0.005 0.005 0.005 8 0.005 4.64 Chloride, ppm 0.021 0.016 0.02 0.017 0.001 0.008 pH @ 25 degree Celsius 6.56 6.46 6.5 9.49 4.31 5.75 Boron - 10 = Total Boron x 0.196 Comments:

None

,, e . r r y Monthly Operating Report No. 99-04 Page 17 of 18 FUEL HANDLING UNITS 1&2 MONTHNEAR: April 1999 New Fuel Number of New or Spent Shipment or Date Stored or Assemblies Assembly ANSI Initial Fuel Shipping Cask No. Received per Shipment Number Number Enrichment Cask Activity None during the Reporting Period

• 4'urry Monthly OperatingNo.Report 99-04 Page 18 of 18 DESCRIPTION OF PERIODIC TEST(S) WHICH WERE NOT COMPLETED WITHIN THE TIME LIMITS SPECIFIED IN TECHNICAL SPECIFICATIONS MONTHNEAR: April 1999 None during the Reporting Period